Q. From which of following heterotroph organisms obtain energy?

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Q. Chloroplasts have been hypothesized to be driven from which of following bacteria?

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Q. Parasites that cause disease are called

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Q. Which of following bacteria are only bacteria known to lack cell walls?

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Q. A handful of soil can contain an estimate of about how many prokaryotic species?

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Q. Rubrivivax bacteria belong to which of following subgroups of proteobacteria?

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Q. From which of following autotroph organisms obtain energy?

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Q. An ecological relationship in which one participant benefits and other is harmed is called

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Q. In process of nitrogen fixation, nitrogen is converted in to which of following?

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Q. Prokaryotic population originated about how many billion years ago?

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Q. Which of following is caused by Shigella bacterium?

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Q. Harmless bacteria living on skin of humans feeding off sebum have which of following ecological relationship?

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Q. Which of following bacteria cause syphilis?

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Q. Which of following disease is caused by Salmonella typhi?

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Q. Which of following is an example of sulfur bacteria?

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Q. Which of following has been used in producing transgenic plants?

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Q. Which of following are present in outer cell wall of gram-negative bacteria and are released when bacteria die?

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Q. Cocci present in pairs are called

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Q. Which of following is contained by most of bacteria?

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Q. When DNA is transferred between two individuals of same species its called

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